Add PHP 8.4 tests

.docker/php/php84/Dockerfile

@@ -0,0 +1,22 @@
+# ----------------------
+# The FPM base container
+# ----------------------
+FROM php:8.4-cli-alpine AS dev
+
+RUN apk add --no-cache --virtual .build-deps \
+    $PHPIZE_DEPS
+
+# Cleanup apk cache and temp files
+RUN rm -rf /var/cache/apk/* /tmp/*
+
+# ----------------------
+# Composer install step
+# ----------------------
+
+# Get latest Composer
+COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
+
+# ----------------------
+# The FPM production container
+# ----------------------
+FROM dev

.github/workflows/tests.yaml

@@ -12,14 +12,16 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest]
-        php: [8.0, 8.1, 8.2, 8.3]
+        php: [8.0, 8.1, 8.2, 8.3, 8.4]
         laravel: ['9.*', '10.*', '11.*', '12.*']
         dependency-version: [prefer-lowest, prefer-stable]
         exclude:
           - laravel: 9.*
             php: 8.2
           - laravel: 9.*
             php: 8.3
+          - laravel: 9.*
+            php: 8.4
           - laravel: 10.*
             php: 8.0
           - laravel: 11.*